Arguably the centre-back most United fans would want the club to sign, Hummels has excelled in the Bundesliga for Jurgen Klopp’s superb Dortmund team since moving from Bayern Munich in 2009.

At 25-years-old, he is yet to reach his defensive peak, and is rated as one of the best ball-playing defenders in world football. He would likely break the bank however, and there have been murmurings that the German wouldn’t be interested in moving to United if the club didn’t qualify for the Champions League.